The Piper PA-31T Cheyenne is a twin-engine turboprop development of the earlier PA-31P Pressurized Navajo. == Development == Originally, the aircraft was an upgraded version of the Pressurized Navajo equipped with two Pratt & Whitney Canada PT6A-28 turboprop engines.
The Piper PA-31T Cheyenne is a twin-engine turboprop development of the earlier PA-31P Pressurized Navajo. == Development == Originally, the aircraft was an upgraded version of the Pressurized Navajo equipped with two Pratt & Whitney Canada PT6A-28 turboprop engines.
Source: Wikipedia "Piper PA-31T Cheyenne" · CC BY-SA 4.0
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